The map itself was built using File:Greece map blank.svg, adding the now-drained Lake Copais. Towns were placed using geographic coordinates.

The borders of the various political entities were taken from several sources:

• Chamoux, François (2002) Hellenistic civilization, Wiley-Blackwell, ISBN 9780631222422, p. 206, for the Achaean League. I did not use this for the Aetolian League, since this map shows the later and larger borders of the Aetolian League, after the Cleomenean War.
• Gabbert, Janice J. (1997) Antigonus II Gonatas: a political biography, Routledge, ISBN 9780415018999 , p. 33, for the area under the control of Macedon.
• Shepherd, William (1911) "The Growth of Roman Power in Asia Minor", Historical Atlas, Henry Holt and Company. p. 33, was used as the primary reference for the Aetolian League.
• Shepherd, William (1911) "Greece under Theban Headship", Historical Atlas, Henry Holt and Company. p. 17, was used as the primary reference for the Spartan borders. When there was a conflict with the Chamoux map, I used the Chamoux map.

Any additional information on borders and areas under control would be very welcome.

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